package com.snopy.leetcode.index1_1000.index601_700;

import com.snopy.leetcode.TreeNode;
import com.snopy.utils.DataFactoryUtil;
import com.snopy.utils.StringUtils;
import lombok.extern.slf4j.Slf4j;

import java.util.ArrayList;
import java.util.List;

/**
 * @author snopy
 * @version 1.0.0
 * @classname Question606
 * @description
 * 根据二叉树创建字符串
 * 你需要采用前序遍历的方式，将一个二叉树转换成一个由括号和整数组成的字符串。
 *
 * 空节点则用一对空括号 "()" 表示。而且你需要省略所有不影响字符串与原始二叉树之间的一对一映射关系的空括号对
 * 示例 1:
 *
 * 输入: 二叉树: [1,2,3,4]
 *        1
 *      /   \
 *     2     3
 *    /
 *   4
 *
 * 输出: "1(2(4))(3)"
 *
 * 解释: 原本将是“1(2(4)())(3())”，
 * 在你省略所有不必要的空括号对之后，
 * 它将是“1(2(4))(3)”。
 * 示例 2:
 *
 * 输入: 二叉树: [1,2,3,null,4]
 *        1
 *      /   \
 *     2     3
 *      \
 *       4
 *
 * 输出: "1(2()(4))(3)"
 *
 * 解释: 和第一个示例相似，
 * 除了我们不能省略第一个对括号来中断输入和输出之间的一对一映射关系。
 *
 * @email 77912204@qq.com
 * @date 2022/03/19 14:17
 */
@Slf4j
public class Question606 {

    public static void main(String[] args) {
        Integer[] nums = new Integer[]{69,73,68,18,20,18,39,7,-3,13,-1,42,5,93,70,63,17,null,91,-4,30,null,-1,64,-4,16,49,48,78,51,43,92,45,null,53,9,36,80,-6,58,78,null,null,41,81,89,67,71,null,25,null,82,54,28,14,61,57,35,5,83,9,18,null,-9,-9,50,92,93,null,0,80,62,1,28,29,27,89,21,null,85,-9,null,56,56,-9,null,null,43,null,29,97,-7,null,35,25,90,67,53,18,61,7,23,81,37,19,26,2,0,19,null,null,77,37,-2,null,49,39,28,1,37,11,87,83,68,55,53,33,-2,22,7,52,null,14,null,18,50,97,-8,-7,null,21,59,72,27,null,64,null,null,47,null,null,38,46,null,null,99,null,null,48,13,85,78,7,64,43,59,71,11,37,12,37,50,2,null,null,89,87,null,78,97,null,31,86,37,96,34,38,6,36,null,null,99,63,null,12,null,82,null,81,70,19,null,81,32,null,null,null,null,79,10,null,91,48,-3,94,65,null,20,26,96,21,92,91,null,89,9,74,null,null,96,null,64,67,50,96,null,null,null,null,null,null,40,78,null,27,3,17,null,null,2,45,null,null,null,null,null,13,null,null,17,45,69,30,null,null,43,null,4,13,-6,66,6,null,16,48,55,98,69,57,null,5,9,65,-9,55,2,null,null,null,null,null,null,68,null,null,null,5,61,51,null,null,32,43,null,35,20,null,-7,38,30,1,80,null,null,42,86,42,null,null,null,null,47,null,null,null,62,29,-9,83,60,71,48,null,24,null,76,6,65,18,95,29,11,null,38,null,null,null,null,21,3,6,23,36,null,45,null,34,null,null,null,null,null,null,41,null,57,13,18,92,43,83,null,null,null,null,null,null,null,2,-4,97,null,93,null,62,null,null,48,18,71,92,53,89,null,null,null,95,null,16,null,null,null,83,87,5,null,null,3,-8,-4,65,null,null,null,22,null,31,null,null,null,63,null,null,62,null,57,12,85,45,23,55,null,null,null,81,83,23,null,3,null,83,null,-4,null,null,null,null,null,64,null,15,50,57,null,null,null,4,null,null,null,29,null,null,87,null,22,92,null,null,67,90,null,93,47,46,null,null,null,28,72,18,59,25,3,74,null,null,null,-5,28,-1,61,15,null,null,null,null,79,null,16,null,null,59,47,-7,98,31,50,null,null,null,null,19,null,93,null,22,null,null,-5,40,null,null,null,75,30,null,7,53,76,null,null,null,null,null,68,19,null,63,41,91,null,43,null,49,null,null,null,null,null,46,null,null,87,74,49,1,21,62,6,34,77,null,null,null,null,null,null,-9,61,null,null,null,7,null,45,null,null,63,null,null,7,null,null,16,86,null,null,63,null,61,72,null,13,null,24,91,null,null,59,null,null,48,14,77,null,null,null,null,92,null,null,null,null,null,null,84,null,null,76,82,63,84,84,94,null,null,null,null,null,47,40,null,null,null,null,75,20,null,null,null,-9,null,null,24,74,null,51,null,null,91,null,83,17,null,null,null,42,49,88,57,85,1,null,94,null,28,36,78,null,53,null,27,25,46,97,58,null,null,null,null,null,null,null,null,12,33,null,null,6,null,null,null,87,null,null,null,null,null,null,null,9,null,83,null,null,null,90,11,null,61,null,89,null,46,null,86,81,null,null,null,null,null,null,null,53,null,null,59,null,null,null,null,null,null,null,29,null,47,97,0,null,null,null,null,9,null,17,null,91,45,9,61,21,null,null,64,null,69,null,44,null,null,null,null,12,null,2,-8,88,null,null,null,null,null,-8,null,93,null,null,null,86,null,null,97,null,null,null,null,72,null,null,null,null,null,50,null,null,null,null,null,47,70,null,62,null,-3,-5,59,15,null,-3,37,null,null,null,null,20,-2,null,8,90,null,null,null,61,null,null,null,null,null,null,null,15,12,95,null,null,73,11,76,76,49,null,null,51,null,null,null,null,null,null,null,null,null,null,null,null,null,42,null,null,-9,null,null,null,null,null,null,null,null,80,null,null,70,31,78,98,null,null,null,null,null,null,null,null,null,null,null,null,7,null,null,null,null,57,null,null,null,null,-3,null,null,-7,null,31,42,null,null,null,null,62,17,7,null,null,63,null,null,null,null,83,51,null,76,77,null,null,40,null,null,95,null,27,55,61,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,95,null,93,19,null,37,null,73,null,null,null,null,null,75,null,null,null,null,null,22,null,null,null,null,null,-7,99,null,null,null,null,null,94,63,null,null,null,null,null,null,null,39,77,null,-2,15,null,69,33,9,null,null,null,null,null,null,null,null,null,42,null,null,null,69,35,null,36,null,11,null,null,null,52,null,null,null,null,null,null,null,51,50,null,null,null,null,null,null,30,null,null,null,null,null,63,null,null,null,null,null,null,56,28};
        TreeNode root = DataFactoryUtil.buildTree(nums);

        String s = tree2str(root);
        System.out.println(s);
    }
    public static String tree2str(TreeNode root) {
        if (root==null){
            return "";
        }
        if (root.left==null&&root.right==null){
            return Integer.toString(root.val);
        }
        if (root.right==null){
            return root.val + "(" + tree2str(root.left) + ")";
        }
        return root.val+(("("+tree2str(root.left)+")")+("("+tree2str(root.right)+")"));
    }

}
